FANUC A03B-0821-C001 B SAFETY I/O UNIT CNC S/N:P077P0076 SHIPS SAME BUSINESS DAY,Fanuc A03B-0815-C003 or A03B0815C003 Module I/O - Fanucworld,Fanuc Basic A03B-0823-C021 (24VDC 1.3A) I/O Terminal,A03B-0815-C001 Fanuc B1 Base Distributed Connector panel I/O modu